Article: 114223 of sci.geo.satellite-nav
From: gpsvn@yahoo.com (ttvnol)
Newsgroups: sci.geo.satellite-nav
Subject: Re: Newer, Higher res Landsat images on MrSid site
Date: 26 Jun 2004 02:37:03 -0700
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I visited the site, downloaded the data but do not how to open the
*.sid file. Will you please advise ?

Thank you.

see.my.sig@bigpond.com (Noel Bachelor) wrote in message news:<40d7e9f0.927397046@news.bigpond.com>...
> Haven't noticed anyone else mention this, but a recent visit to MrSid
> turned up an interesting surprise.  
> 
> As well as the circa early 90's Landsat 4/5 images which it had, it now
> also has a lot newer circa 2000 (or later?) Landsat 7 images which are
> clearer and about twice the resolution.  They also cover more remote
> island areas that were not in the older set.  From the indexmap, it
> appears that some areas are not all there yet or have smaller images,
> though in some these it appears the images are there (or larger).  
> 
> On the index page there's a pulldown to select which set of images you
> want to select from.  It defaults to the later set.
> 
> Resolution of the 2000 images is about 12 - 14 metres per pixel, and you
> can identify individual houses in many places.  However, the file sizes
> for download of entire images are 4 or 5 times larger.  
> 
> https://zulu.ssc.nasa.gov/mrsid
> 
> 
> Noel Bachelor noelbachelorAT(From:_domain)
> S 12.416980
> E130.922680